Roger Federer: 10 things you didn't know about legendary tennis star

Roger Federer is the greatest tennis player of all time – but how much do you really know about him?

1. Classified ‘unfit’ to serve in Swiss military due to back problems in 2003

"Afterwards, he had little experience with girls, he had a little girlfriend, and immediately he found his wife, who is an ambitious person, who comes from Czechoslovakia, likes money, power, and in the end she has protected Federer a lot.

"[She] made a bubble where Federer was just for tennis.

"And the third was Nike, it was with a lot of money and the marketing department told him: 'Look, we want you to be a gentleman'."

Federer won his 97th career title by lifting the Rotterdam Open last week.